Measurements:
°C
°F
Sanibel Island
88°F
NE 14 mph
Feels like: 90°F
Precip: 0%
World Resorts USA Sanibel Island Weather

7 Day Weather Forecast

04.23
thu
DAY
88°F
NW 6 mph
precip
0%
NIGHT
74°F
W 11 mph
precip
0%
04.24
fri
DAY
76°F
N 8 mph
precip
0%
NIGHT
76°F
N 2 mph
precip
0%
04.25
sat
DAY
76°F
N 8 mph
precip
0%
NIGHT
74°F
S 4 mph
precip
0%
04.26
sun
DAY
78°F
N 9 mph
precip
0%
NIGHT
76°F
SW 1 mph
precip
0%
04.27
mon
DAY
78°F
N 8 mph
precip
0%
NIGHT
76°F
S 2 mph
precip
0%
04.28
tue
DAY
80°F
N 9 mph
precip
0%
NIGHT
78°F
N 8 mph
precip
0%
04.29
wed
DAY
80°F
N 8 mph
precip
0%
NIGHT
78°F
E 7 mph
precip
0%

Sanibel Island Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Sanibel Island was 24.2°F. The maximum and minimum values were 23.1°F and 24.9°F respectively.

Sanibel Island on the Weather Map

Best Time to Visit Sanibel Island
The most sunny months:
March 19 days
December 17 days
April 17 days
The most warm months:
August 92.2 °F
July 92.2 °F
September 90.7 °F
Warmest sea temperature:
August 91.8 °F
July 91.4 °F
September 90.3 °F
The most cold months:
January 71.3 °F
December 74.5 °F
February 75.1 °F
The most rainy months:
June 6 days
July 5 days
August 4 days
The most windy months:
October 10 mph
November 10 mph
January 10 mph